Patents by Inventor Ingvar T. Andersen

Ingvar T. Andersen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mold stirrer
    Patent number: 4842043
    Abstract: For stirring molten metal in continuous casting at least two stirrer members are placed outside the mold on opposite sides thereof, the stirrer members being provided with iron cores and surrounding coils. Intermediate iron cores can be arranged between the stirrer members to form a closed magnetic circuit around the mold, whereby horizontal rotation of molten metal in the strand can be achieved.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: June 27, 1989
    Assignee: Asea Brown Boveri AB
    Inventors: Ingvar T. Andersen, Jan E. Eriksson